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main_test.py
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# Copyright 2019 Google, LLC.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# NOTE:
# To pass these tests locally, run `brew install graphviz`
import pytest
import main
@pytest.fixture
def client():
main.app.testing = True
return main.app.test_client()
def test_empty_query_string(client):
r = client.get("/diagram.png")
assert r.status_code == 400
def test_empty_dot_parameter(client):
r = client.get("/diagram.png?dot=")
assert r.status_code == 400
def test_bad_dot_parameter(client):
r = client.get("/diagram.png?dot=digraph")
assert r.status_code == 400
def test_good_dot_parameter(client):
r = client.get("/diagram.png?dot=digraph G { A -> {B, C, D} -> {F} }")
assert r.content_type == "image/png"